package com.itguigu.cart.vo;

import java.math.BigDecimal;
import java.util.List;

/**
 * 购物车  需要计算的属性  必须重写她的get方法 保证每次get的都是计算出来的
 */
public class CartVo {
    private List<CartItem> items;
    private Integer countNum;//商品数量
    private Integer countType;//商品类型数量
    private BigDecimal totalAmount = new BigDecimal("0.00");//商品总价

    public List<CartItem> getItems() {
        return items;
    }

    public void setItems(List<CartItem> items) {
        this.items = items;
    }

    public Integer getCountNum() {
        int count = 0;
        if (items!=null&&items.size()>0) {

            for (CartItem item : this.items) {
                count += item.getCount();
            }
        }
        return count;
    }

//    public void setCountNum(Integer countNum) {
//
//        this.countNum = countNum;
//    }

    public Integer getCountType() {
        int count = 0;
        if (items!=null&&items.size()>0) {

            for (CartItem item : this.items) {
                count += 1;
            }
        }

        return count;
    }


    public BigDecimal getTotalAmount() {
//        计算购物件总价
        BigDecimal amount = new BigDecimal("0");
        if (items!=null&&items.size()>0) {

            for (CartItem item : this.items) {

                BigDecimal totalPrice = item.getTotalPrice();
               amount= amount.add(totalPrice);
            }
        }
        //减去优惠总价
        BigDecimal subtract = amount.subtract(getReduce());
        return subtract;
    }



    public BigDecimal getReduce() {
        return reduce;
    }

    public void setReduce(BigDecimal reduce) {
        this.reduce = reduce;
    }

    private BigDecimal reduce;//减免总价


}
